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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)

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Tube-number record

446

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ClassUHF Lighthouse Triode

BasePlanar / disc seal

Filament6.3 V @ 750 mA

Construction

Primary Type

Triode

EnvelopeGlass-Metal

SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage500 V

Plate Dissipation5 W

Cathode Current20 mA

Audio Performance

Typical Operation

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Class A Amplifier	250 V	4500	10000	45	15 mA

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